Nivarox Hairspring for Mechanical Watches from Japan
A Nivarox alloy hairspring designed for mechanical watch movements, regulating oscillation frequency for precise timekeeping. It falls under HTS 9114.90.34.00 as a spring specifically for watches, essential for balance wheel operation in automatic and manual timepieces.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify the spring is explicitly for watch movements (under 12mm thick, 50mm wide) to avoid reclassification under chapter 85
• Provide manufacturer specs confirming compatibility with watch balance wheels; retain movement assembly diagrams
• Check for base metal parts exclusion per chapter note 1(c); hairsprings qualify as watch-specific